| Image |
 |
 |
| Model |
EC21-KL |
HL7528 |
| Price |
$38.80 |
$79.34 |
| Buy |
|
|
| Manufacturer |
Quectel Wireless |
Sierra Wireless |
| Form Factor |
LCC Castellation |
LGA |
| Dimensions |
39 x 32 x 24 mm |
22 x 23 x 2.5 mm |
| Surface Area |
1248 sq. mm |
506 sq. mm |
| Volume |
29952 cubic mm |
1265 cubic mm |
| Technologies |
LTE |
LTE |
| Max. Upload Speed |
5 Mbps |
50 Mbps |
| Max. Download Speed |
10 Mbps |
150 Mbps |
| GSM Bands |
N/A |
N/A |
| WCDMA Bands |
N/A |
N/A |
| LTE Bands |
B1 (2100), B3 (1800+), B5 (850), B7 (2600), B8 (900 GSM) |
B1 (2100), B3 (1800+), B5 (850), B7 (2600) |
| EVDO Bands |
N/A |
N/A |
| 1xRTT Bands |
N/A |
N/A |
| Interfaces |
ADC, I2C, SIM, SPI, UART, USB |
ADC, GPIO, SIM, UART, USB |
| GPS Support |
No |
No |
| GNSS Support |
No |
No |
| Voice Support |
Yes, PCM, Analog |
No |
| Automotive Support |
No |
No |
| Temperature |
-40 C to 85 C |
-40 C to 85 C |
| Carrier Approvals |
KT, SK Telecom (Korea) |
KT, LG U+, SK Telecom (Korea) |
| Certifications |
KCC |
KCC |